Endotracheal tube



FIG. 1 is a perspective view of an endotracheal tube showing my new design;

FIG. 2 is a right side perspective, enlarged, partial view of the lower end of the endotracheal tube as depicted in FIG. 1;

FIG. 3 is a right side elevational, enlarged, partial view of the lower end of the endotracheal tube as depicted in FIG. 2, the left side being a mirror image thereof;

FIG. 4 is a top plan, enlarged, partial view of the lower end of the endotracheal tube as depicted in FIG. 2, the bottom plan being a mirror image thereof; and,

FIG. 5 is a front elevational, enlarged, partial view of the lower end of the endotracheal tube as depicted in FIG. 2. 

The ornamental design for an endotracheal tube, as shown and described. 